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10.3.1. Echo gain settings
[MicB] ECHO
OUTGAIN – 10d
B
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the echo gain.
Parameter setting range: –INF (–∞) to 0.0 dB in 1 dB steps
10.3.2. Feedback ratio settings
[MicB] ECHO
FB RAT IO 30
%
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the feedback ratio.
Parameter setting range: 0 – 99% in 1% steps
10.3.3. Feedback delay settings
[MicB] ECHO
FB DLY 120
m
s
PARAMETER
PUSH-ENTER
CHANGE
• Rotate the Setting knob to set the feedback delay time.
Parameter setting range: 0 – 682 ms
10.3. Effect (Echo) Settings
The D-901 has an echo function, a part of an effect function.
• The Effect (echo) setting screen can be displayed by pressing the Effect key, or by using the
Screen shift keys on the Microphone Bus setting screen.
EFFECT
• The effect (echo) function can be enabled or disabled with the function ON/OFF key or Effect key
when any of the following screens is displayed.
• The function ON/OFF and Effect indicators light when enabled (ON).
ON
[Screen display operations]
Echo gain Initial echo delay
Feedback ratio
Low-pass filter
frequency Low-pass filter Q
Feedback delay
Feedback suppression filter setting confirmation (previous page)
Bus assignment and crosspoint gain settings (next page)
[MicB] ECHO
OUTGAIN – 10d
B
[MicB] ECHO
FB RAT IO 30
%
[MicB] ECHO
FB DLY 120
m
s
[MicB] ECHO
PreDLY 80
m
s
[MicB] ECHO
LPF-F 3 .75k
H
z
[MicB] ECHO
LPF-Q 0. 50
0
[Effect (echo) function block diagram]
Pre-delay
Feedback delay
Feedback ratio
LPF
Echo gain
To feedback suppression